Table 2.

Study type categorization

Category	Strength training group		Comparison group	Example
I	Strength	vs.	Passive control	Strength training	vs.	No-intervention control
II	Strength + active control	vs.	Active control	Strength training + diet	vs.	Diet
III	Strength	vs.	Active control	Strength training	vs.	Diet
IV	Strength + active control I	vs.	Active control I + active control II	Strength training + diet	vs.	Diet + aerobic training
V	Strength	vs.	No control	Strength training	vs.	–